source: roaraudio/roard/roard.c @ 1209:731db415c4df

Last change on this file since 1209:731db415c4df was 1208:3ed0b4a1da52, checked in by phi, 15 years ago

added support to select a default codec for the default output driver
File size: 19.6 KB
Line 
1//roard.c:
2
3/*
4 *      Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008
5 *
6 *  This file is part of roard a part of RoarAudio,
7 *  a cross-platform sound system for both, home and professional use.
8 *  See README for details.
9 *
10 *  This file is free software; you can redistribute it and/or modify
11 *  it under the terms of the GNU General Public License version 3
12 *  as published by the Free Software Foundation.
13 *
14 *  RoarAudio is distributed in the hope that it will be useful,
15 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
16 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 *  GNU General Public License for more details.
18 *
19 *  You should have received a copy of the GNU General Public License
20 *  along with this software; see the file COPYING.  If not, write to
21 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
22 *
23 */
24
25#include "roard.h"
26
27char * server = ROAR_DEFAULT_SOCK_GLOBAL; // global server address
28
29void usage (void) {
30 printf("Usage: roard [OPTIONS]...\n\n");
31
32 printf("Misc Options:\n\n");
33 printf(
34        " --daemon              - Bring the server into background after init\n"
35        " --terminate           - Terminate after last client quited\n"
36        " --restart             - Trys to stop an old instance and start a new with new settings\n"
37        " --realtime            - Trys to get realtime priority,\n"
38        "                         give multible times for being more realtime\n"
39        " --chroot DIR          - chroots to the given dir\n"
40        " --setgid              - GroupID to the audio group as specified via -G\n"
41        " --setuid              - UserID to the audio user as specified via -U\n"
42        " --sysclocksync        - calculate exact sample rate using the system clock\n"
43       );
44
45 printf("\nAudio Options:\n\n");
46 printf(
47        " -R  --rate   RATE     - Set server rate\n"
48        " -B  --bits   BITS     - Set server bits\n"
49        " -C  --chans  CHANNELS - Set server channels\n"
50       );
51
52 printf("\nDriver Options:\n\n");
53 printf(" -d  --driver DRV      - Set the driver (default: %s)\n", ROAR_DRIVER_DEFAULT);
54 printf(" -D  --device DEV      - Set the device\n");
55 printf(" -dO OPTS              - Set output options\n");
56 printf(" --list-driver         - List all drivers\n");
57
58 printf("\nOutput Options:\n\n");
59 printf(" -o  --odriver DRV     - Set the driver, use '--list-driver' to get a list\n");
60 printf(" -O  --odevice DEV     - Set the device\n");
61 printf(" -oO OPTS              - Set output options\n");
62 printf(" -oN                   - Adds another output\n");
63 printf(" -oP                   - Mark output as primary\n");
64
65 printf("\nSource Options:\n\n");
66 printf(" -s  --source DRV      - Use DRV as input driver\n"
67        " -S           DEV      - Use DEV as input device\n"
68        " -sO          OPTS     - Use OPTS as input options\n"
69        " -sP                   - Make souce as primary\n"
70       );
71
72 printf("\nCodec Filter Options:\n\n");
73 printf(" --list-cf             - List all codec filter\n"
74       );
75
76 printf("\nServer Options:\n\n");
77 printf(" -t  --tcp             - Use TCP listen socket\n"
78        " -u  --unix            - Use UNIX Domain listen socket (default)\n"
79#ifdef ROAR_HAVE_LIBDNET
80        " -n  --decnet          - use DECnet listen socket\n"
81#endif
82        " -4                    - Use IPv4 connections (implies -t)\n"
83#ifdef PF_INET6
84        " -6                    - Use IPv6 connections (implies -t)\n"
85#endif
86#ifdef IPV6_ADDRFORM
87        " -64                   - Try to downgrade sockets from IPv6 into IPv4,\n"
88        "                         this is normaly not usefull.\n"
89#endif
90        " -p  --port            - TCP Port to bind to\n"
91        " -b  --bind            - IP/Hostname to bind to\n"
92        "     --sock            - Filename for UNIX Domain Socket\n"
93        " -G  GROUP             - Sets the group for the UNIX Domain Socket, (default: %s)\n"
94        "                         You need the permittions to change the GID\n"
95        " -U  USER              - Sets the user for the UNIX Domain Socket, (default: do not set)\n"
96        "                         You need the permittions to change the UID (normaly only root has)\n"
97        " --no-listen           - Do not listen for new clients\n"
98        "                         (only usefull for relaing, impleys --terminate)\n"
99        " --client-fh           - Comunicate with a client over this handle\n"
100        "                         (only usefull for relaing)\n"
101        " --close-fh            - Closes the given fh\n"
102        " --standby             - Start in standby state\n"
103        " --auto-standby        - Automatical goes into standby if there are no streams\n",
104        ROAR_DEFAULT_SOCKGRP
105       );
106// printf("\n Options:\n\n");
107 printf("\n");
108}
109
110int restart_server (char * server) {
111 struct roar_connection con;
112 if ( roar_connect(&con, server) == -1 ) {
113  return -1;
114 }
115
116 if ( roar_terminate(&con, 1) == -1 ) {
117  return -1;
118 }
119
120 return roar_disconnect(&con);
121}
122
123#define R_SETUID 1
124#define R_SETGID 2
125
126int add_output (char * drv, char * dev, char * opts, int prim, int count) {
127 int stream;
128 struct roar_stream * s;
129 struct roar_stream_server * ss;
130 char * k, * v;
131#ifdef ROAR_DRIVER_CODEC
132 char * to_free = NULL;
133#endif
134 int codec;
135 int sync = 0;
136
137 ROAR_DBG("add_output(drv='%s', dev='%s', opts='%s') = ?", drv, dev, opts);
138
139 if ( drv == NULL && count == 0 ) {
140  drv  = ROAR_DRIVER_DEFAULT;
141  prim = 1;
142  sync = 1;
143
144#ifdef ROAR_DRIVER_CODEC
145  if ( opts == NULL ) {
146   opts = to_free = strdup("codec=" ROAR_DRIVER_CODEC);
147  }
148#endif
149 }
150
151 if ( (stream = streams_new()) == -1 ) {
152  ROAR_DBG("add_output(drv='%s', dev='%s', opts='%s') = -1", drv, dev, opts);
153  if ( prim ) alive = 0;
154  return -1;
155 }
156
157 streams_get(stream, &ss);
158 s = ROAR_STREAM(ss);
159
160 memcpy(&(s->info), g_sa, sizeof(struct roar_audio_info));
161
162 s->dir        = ROAR_DIR_OUTPUT;
163 s->pos_rel_id = -1;
164// s->info.codec = codec;
165
166 codec = s->info.codec;
167
168 k = strtok(opts, ",");
169 while (k != NULL) {
170//  ROAR_WARN("add_output(*): opts: %s", k);
171
172  if ( (v = strstr(k, "=")) != NULL ) {
173   *v++ = 0;
174  }
175
176  ROAR_DBG("add_output(*): opts: k='%s', v='%s'", k, v);
177  if ( strcmp(k, "rate") == 0 ) {
178   s->info.rate = atoi(v);
179  } else if ( strcmp(k, "channels") == 0 ) {
180   s->info.channels = atoi(v);
181  } else if ( strcmp(k, "bits") == 0 ) {
182   s->info.bits = atoi(v);
183  } else if ( strcmp(k, "codec") == 0 ) {
184   if ( (codec = roar_str2codec(v)) == -1 ) {
185    ROAR_ERR("add_output(*): unknown codec '%s'", v);
186    streams_delete(stream);
187    if ( prim ) alive = 0;
188#ifdef ROAR_DRIVER_CODEC
189    if ( to_free != NULL )
190     free(to_free);
191#endif
192    return -1;
193   }
194  } else if ( strcmp(k, "meta") == 0 ) {
195   streams_set_flag(stream, ROAR_FLAG_META);
196  } else if ( strcmp(k, "sync") == 0 ) {
197   sync = 1;
198  } else {
199   ROAR_ERR("add_output(*): unknown option '%s'", k);
200   streams_delete(stream);
201   if ( prim ) alive = 0;
202#ifdef ROAR_DRIVER_CODEC
203   if ( to_free != NULL )
204    free(to_free);
205#endif
206   return -1;
207  }
208
209  k = strtok(NULL, ",");
210 }
211
212#ifdef ROAR_DRIVER_CODEC
213 if ( to_free != NULL )
214  free(to_free);
215#endif
216
217 if ( codec == ROAR_CODEC_ALAW || codec == ROAR_CODEC_MULAW )
218  s->info.bits = 8; // needed to open OSS driver, will be overriden by codecfilter
219
220 s->info.codec = codec;
221 ROAR_STREAM_SERVER(s)->codec_orgi = codec;
222
223 if ( driver_openvio(&(ss->vio), &(ss->driver_id), drv, dev, &(s->info), -1) == -1 ) {
224  streams_delete(stream);
225  ROAR_DBG("add_output(drv='%s', dev='%s', opts='%s') = -1", drv, dev, opts);
226  if ( prim ) alive = 0;
227  return -1;
228 }
229
230 ROAR_DBG("add_output(*): ss->driver_id=%i", ss->driver_id);
231
232 streams_set_fh(stream, -1); // update some internal structures
233
234 client_stream_add(g_source_client, stream);
235
236 if ( prim ) {
237  streams_mark_primary(stream);
238  s->pos_rel_id = stream;
239 }
240
241 if ( sync ) {
242  streams_set_flag(stream, ROAR_FLAG_SYNC);
243 } else {
244  streams_reset_flag(stream, ROAR_FLAG_SYNC);
245 }
246
247 return 0;
248}
249
250int main (int argc, char * argv[]) {
251 int i;
252 char * k;
253 char user_sock[80]  = {0};
254 struct roar_audio_info sa;
255 int    daemon       = 0;
256 int    realtime     = 0;
257 int    sysclocksync = 0;
258 char * driver    = NULL;
259 char * device    = NULL;
260 char * opts      = NULL;
261// char * server = ROAR_DEFAULT_SOCK_GLOBAL;
262 int      port    = ROAR_DEFAULT_PORT;
263 int               drvid;
264 char * s_drv     = "cf";
265 char * s_dev     = NULL;
266 char * s_con     = NULL;
267 char * s_opt     = NULL;
268 int    s_prim    = 0;
269 char * o_drv     = getenv("ROAR_DRIVER");
270 char * o_dev     = getenv("ROAR_DEVICE");
271 char * o_opts    = NULL;
272 int    o_prim    = 0;
273 int    o_count   = 0;
274 char * sock_grp  = ROAR_DEFAULT_SOCKGRP;
275 char * sock_user = NULL;
276 int    sock_type = ROAR_SOCKET_TYPE_UNKNOWN;
277 char * chrootdir = NULL;
278 int    setids    = 0;
279 char * env_roar_proxy_backup;
280 struct group   * grp  = NULL;
281 struct passwd  * pwd  = NULL;
282 struct servent * serv = NULL;
283 DRIVER_USERDATA_T drvinst;
284 struct roar_client * self = NULL;
285#ifdef ROAR_HAVE_LIBDNET
286 char decnethost[80];
287#endif
288
289 g_listen_socket = -1;
290 g_standby       =  0;
291 g_autostandby   =  0;
292 alive           =  1;
293 g_no_listen     =  0;
294
295 sa.bits     = ROAR_BITS_DEFAULT;
296 sa.channels = ROAR_CHANNELS_DEFAULT;
297 sa.rate     = ROAR_RATE_DEFAULT;
298 sa.codec    = ROAR_CODEC_DEFAULT;
299
300 g_sa = &sa;
301
302
303 if ( getuid() != 0 && getenv("HOME") ) {
304  snprintf(user_sock, 79, "%s/%s", getenv("HOME"), ROAR_DEFAULT_SOCK_USER);
305  server = user_sock;
306 }
307
308 if ( getenv("ROAR_SERVER") != NULL )
309  server = getenv("ROAR_SERVER");
310
311 if ( clients_init() == -1 ) {
312  ROAR_ERR("Can not init clients!");
313  return 1;
314 }
315
316 if ( streams_init() == -1 ) {
317  ROAR_ERR("Can not init streams!");
318  return 1;
319 }
320
321 if ( (g_self_client = clients_new()) == -1 ) {
322  ROAR_ERR("Can not create self client!");
323  return 1;
324 }
325
326 if ( sources_init() == -1 ) {
327  ROAR_ERR("Can not init sources!");
328  return 1;
329 }
330
331 if ( (sources_set_client(g_self_client)) == -1 ) {
332  ROAR_ERR("Can not init set source client!");
333  return 1;
334 }
335
336 for (i = 1; i < argc; i++) {
337  k = argv[i];
338
339  if ( strcmp(k, "-h") == 0 || strcmp(k, "--help") == 0 ) {
340   usage();
341   return 0;
342
343  } else if ( strcmp(k, "--restart") == 0 ) {
344   if ( restart_server(server) == -1 ) {
345    ROAR_WARN("Can not terminate old server (not running at %s?), tring to continue anyway", server);
346   }
347
348  } else if ( strcmp(k, "--demon") == 0 || strcmp(k, "--daemon") == 0 ) {
349   daemon = 1;
350  } else if ( strcmp(k, "--terminate") == 0 ) {
351   g_terminate = 1;
352  } else if ( strcmp(k, "--sysclocksync") == 0 ) {
353   sysclocksync = 1000;
354  } else if ( strcmp(k, "--realtime") == 0 ) {
355   realtime++;
356  } else if ( strcmp(k, "--chroot") == 0 ) {
357   chrootdir = argv[++i];
358  } else if ( strcmp(k, "--setgid") == 0 ) {
359   setids |= R_SETGID;
360  } else if ( strcmp(k, "--setuid") == 0 ) {
361   setids |= R_SETUID;
362
363  } else if ( strcmp(k, "--list-cf") == 0 ) {
364   print_codecfilterlist();
365   return 0;
366
367  } else if ( strcmp(k, "-R") == 0 || strcmp(k, "--rate") == 0 ) {
368   sa.rate = atoi(argv[++i]);
369  } else if ( strcmp(k, "-B") == 0 || strcmp(k, "--bits") == 0 ) {
370   sa.bits = atoi(argv[++i]);
371  } else if ( strcmp(k, "-C") == 0 || strcmp(k, "--chans") == 0 ) {
372   sa.channels = atoi(argv[++i]);
373
374  } else if ( strcmp(k, "-d") == 0 || strcmp(k, "--driver") == 0 ) {
375   driver = argv[++i];
376   if ( strcmp(driver, "list") == 0 ) {
377    ROAR_WARN("The option is obsolete, use --list-driver!");
378    print_driverlist();
379    return 0;
380   }
381  } else if ( strcmp(k, "-D") == 0 || strcmp(k, "--device") == 0 ) {
382   device = argv[++i];
383  } else if ( strcmp(k, "-dO") == 0 ) {
384   opts = argv[++i];
385  } else if ( strcmp(k, "--list-driver") == 0 ) {
386   print_driverlist();
387   return 0;
388
389  } else if ( strcmp(k, "-o") == 0 || strcmp(k, "--odriver") == 0 ) {
390   o_drv  = argv[++i];
391  } else if ( strcmp(k, "-O") == 0 || strcmp(k, "--odevice") == 0 ) {
392   o_dev  = argv[++i];
393  } else if ( strcmp(k, "-oO") == 0 ) {
394   o_opts = argv[++i];
395  } else if ( strcmp(k, "-oP") == 0 ) {
396   o_prim = 1;
397  } else if ( strcmp(k, "-oN") == 0 ) {
398   if ( add_output(o_drv, o_dev, o_opts, o_prim, o_count) != -1 )
399    o_count++;
400
401   o_drv  = o_dev = o_opts = NULL;
402   o_prim = 0;
403
404  } else if ( strcmp(k, "-s") == 0 || strcmp(k, "--source") == 0 ) {
405   s_drv = argv[++i];
406  } else if ( strcmp(k, "-S") == 0 ) {
407   s_dev = argv[++i];
408  } else if ( strcmp(k, "-sO") == 0 ) {
409   s_opt = argv[++i];
410  } else if ( strcmp(k, "-sC") == 0 ) {
411   s_con = argv[++i];
412  } else if ( strcmp(k, "-sP") == 0 ) {
413   s_prim = 1;
414  } else if ( strcmp(k, "-sN") == 0 ) {
415   if ( sources_add(s_drv, s_dev, s_con, s_opt, s_prim) == -1 ) {
416    ROAR_ERR("main(*): adding source '%s' via '%s' failed!", s_dev, s_drv);
417   }
418   s_opt = s_dev = s_con = NULL;
419   s_drv = "cf";
420   s_prim = 0;
421
422  } else if ( strcmp(k, "-p") == 0 || strcmp(k, "--port") == 0 ) {
423   // This is only usefull in INET not UNIX mode.
424   if ( *server == '/' )
425    server = ROAR_DEFAULT_HOST;
426
427   errno = 0;
428   if ( (port = atoi(argv[++i])) < 1 ) {
429    if ( (serv = getservbyname(argv[i], "tcp")) == NULL ) {
430     ROAR_ERR("Unknown service: %s: %s", argv[i], strerror(errno));
431     return 1;
432    }
433    // NOTE: we need to use ROAR_NET2HOST16() here even if s_port is of type int!
434    ROAR_DBG("main(*): serv = {s_name='%s', s_aliases={...}, s_port=%i, s_proto='%s'}",
435            serv->s_name, ROAR_NET2HOST16(serv->s_port), serv->s_proto);
436    port = ROAR_NET2HOST16(serv->s_port);
437   }
438  } else if ( strcmp(k, "-b") == 0 || strcmp(k, "--bind") == 0 || strcmp(k, "--sock") == 0 ) {
439   server = argv[++i];
440
441  } else if ( strcmp(k, "-t") == 0 || strcmp(k, "--tcp") == 0 ) {
442   if ( sock_type != ROAR_SOCKET_TYPE_TCP && sock_type != ROAR_SOCKET_TYPE_TCP6 )
443    sock_type = ROAR_SOCKET_TYPE_TCP;
444
445   if ( *server == '/' )
446    server = ROAR_DEFAULT_HOST;
447
448  } else if ( strcmp(k, "-4") == 0 ) {
449   sock_type = ROAR_SOCKET_TYPE_TCP;
450   if ( *server == '/' )
451    server = ROAR_DEFAULT_HOST;
452  } else if ( strcmp(k, "-6") == 0 ) {
453#ifdef PF_INET6
454   sock_type = ROAR_SOCKET_TYPE_TCP6;
455   if ( *server == '/' )
456    server = ROAR_DEFAULT_HOST;
457#else
458    ROAR_ERR("No IPv6 support compiled in!");
459    return 1;
460#endif
461
462  } else if ( strcmp(k, "-u") == 0 || strcmp(k, "--unix") == 0 ) {
463   // ignore this case as it is the default behavor.
464   sock_type = ROAR_SOCKET_TYPE_UNIX;
465
466  } else if ( strcmp(k, "-n") == 0 || strcmp(k, "--decnet") == 0 ) {
467#ifdef ROAR_HAVE_LIBDNET
468    port   = ROAR_DEFAULT_NUM;
469    strcpy(decnethost, ROAR_DEFAULT_LISTEN_OBJECT);
470    server = decnethost;
471    sock_type = ROAR_SOCKET_TYPE_DECNET;
472#else
473    ROAR_ERR("No DECnet support compiled in!");
474    return 1;
475#endif
476
477  } else if ( strcmp(k, "-G") == 0 ) {
478   sock_grp  = argv[++i];
479  } else if ( strcmp(k, "-U") == 0 ) {
480   sock_user = argv[++i];
481
482  } else if ( strcmp(k, "--no-listen") == 0 ) {
483   *server     = 0;
484   g_terminate = 1;
485   g_no_listen = 1;
486  } else if ( strcmp(k, "--client-fh") == 0 ) {
487   if ( clients_set_fh(clients_new(), atoi(argv[++i])) == -1 ) {
488    ROAR_ERR("main(*): Can not set client's fh");
489    return 1;
490   }
491  } else if ( strcmp(k, "--close-fh") == 0 ) {
492   close(atoi(argv[++i]));
493
494  } else if ( strcmp(k, "--standby") == 0 ) {
495   g_standby = 1;
496  } else if ( strcmp(k, "--auto-standby") == 0 ) {
497   g_autostandby = 1;
498  } else {
499   usage();
500   return 1;
501  }
502
503 }
504
505 if ( s_dev != NULL ) {
506  if ( sources_add(s_drv, s_dev, s_con, s_opt, s_prim) == -1 ) {
507   ROAR_ERR("main(*): adding source '%s' via '%s' failed!", s_dev, s_drv);
508  }
509 }
510
511 add_output(o_drv, o_dev, o_opts, o_prim, o_count);
512
513 ROAR_DBG("Server config: rate=%i, bits=%i, chans=%i", sa.rate, sa.bits, sa.channels);
514
515 if ( midi_init() == -1 )
516  ROAR_ERR("Can not initialize MIDI subsystem");
517
518 if ( *server != 0 ) {
519  if ( (g_listen_socket = roar_socket_listen(sock_type, server, port)) == -1 ) {
520   if ( *server == '/' ) {
521    if ( (env_roar_proxy_backup = getenv("ROAR_PROXY")) != NULL ) {
522     env_roar_proxy_backup = strdup(env_roar_proxy_backup);
523     unsetenv("ROAR_PROXY");
524    }
525    if ( (i = roar_socket_connect(server, port)) != -1 ) {
526     close(i);
527     ROAR_ERR("Can not open listen socket!");
528     return 1;
529    } else {
530     unlink(server);
531     if ( (g_listen_socket = roar_socket_listen(sock_type, server, port)) == -1 ) {
532      ROAR_ERR("Can not open listen socket!");
533      return 1;
534     }
535    }
536    if ( env_roar_proxy_backup != NULL ) {
537     setenv("ROAR_PROXY", env_roar_proxy_backup, 0);
538     free(env_roar_proxy_backup);
539    }
540   } else {
541    ROAR_ERR("Can not open listen socket!");
542    return 1;
543   }
544  }
545
546  if ( (grp = getgrnam(sock_grp)) == NULL ) {
547   ROAR_ERR("Can not get GID for group %s: %s", sock_grp, strerror(errno));
548  }
549  if ( sock_user || (setids & R_SETUID) ) {
550   if ( (pwd = getpwnam(sock_user)) == NULL ) {
551    ROAR_ERR("Can not get UID for user %s: %s", sock_user, strerror(errno));
552   }
553  }
554
555  if ( *server == '/' ) {
556   if ( grp ) {
557    if ( pwd ) {
558     chown(server, pwd->pw_uid, grp->gr_gid);
559    } else {
560     chown(server, -1, grp->gr_gid);
561    }
562    if ( getuid() == 0 )
563     chmod(server, S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP);
564   }
565  }
566 }
567
568 if ( output_buffer_init(&sa) == -1 ) {
569  ROAR_ERR("Can not init output buffer!");
570  return 1;
571 }
572
573 if ( driver == NULL ) {
574  driver = "null";
575 } else {
576  ROAR_WARN("Usage of old driver interface. use -o not -d!");
577 }
578
579 if ( driver_open(&drvinst, &drvid, driver, device, &sa) == -1 ) {
580  ROAR_ERR("Can not open output driver!");
581  return 1;
582 }
583
584 if ( samples_init() == -1 ) {
585  ROAR_ERR("Can not init samples!");
586  return 1;
587 }
588
589
590 signal(SIGINT,  on_sig_int);
591 signal(SIGCHLD, on_sig_chld);
592 signal(SIGPIPE, SIG_IGN);  // ignore broken pipes
593
594 if ( realtime ) {
595#ifdef DEBUG
596  ROAR_WARN("compiled with -DDEBUG but realtime is enabled: for real realtime support compiel without -DDEBUG");
597#endif
598
599  errno = 0;
600  nice(-5*realtime); // -5 for each --realtime
601  if ( errno )
602   ROAR_WARN("Can not decrease nice value by 5: %s", strerror(errno));
603/*
604#ifdef __linux__
605  if ( ioprio_set(IOPRIO_WHO_PROCESS, getpid(), IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, 0)) == -1 )
606   ROAR_WARN("Can not set io priority: %s", strerror(errno));
607#endif
608*/
609 }
610
611 if ( setids & R_SETGID ) {
612  if ( setgroups(0, (const gid_t *) NULL) == -1 ) {
613   ROAR_ERR("Can not clear supplementary group IDs: %s", strerror(errno));
614  }
615  if ( !grp || setgid(grp->gr_gid) == -1 ) {
616   ROAR_ERR("Can not set GroupID: %s", strerror(errno));
617  }
618 }
619
620
621 clients_set_pid(g_self_client, getpid());
622 clients_set_uid(g_self_client, getuid());
623 clients_set_gid(g_self_client, getgid());
624 clients_get(g_self_client, &self);
625
626 if ( self == NULL ) {
627  ROAR_ERR("Can not get self client!");
628  return 1;
629 }
630
631 strcpy(self->name, "RoarAudio daemon internal");
632
633 if ( daemon ) {
634  close(ROAR_STDIN );
635  close(ROAR_STDOUT);
636  close(ROAR_STDERR);
637  setsid();
638  if ( fork() )
639   _exit(0);
640  clients_set_pid(g_self_client, getpid()); // reset pid as it changed
641 }
642
643 if (chrootdir) {
644  if ( chroot(chrootdir) == -1 ) {
645   ROAR_ERR("Can not chroot to %s: %s", chrootdir, strerror(errno));
646   return 2;
647  }
648  if ( chdir("/") == -1 ) {
649   ROAR_ERR("Can not chdir to /: %s", strerror(errno));
650   return 2;
651  }
652 }
653
654 if ( setids & R_SETUID ) {
655  if ( !pwd || setuid(pwd->pw_uid) == -1 ) {
656   ROAR_ERR("Can not set UserID: %s", strerror(errno));
657   return 3;
658  }
659  clients_set_uid(g_self_client, getuid());
660 }
661
662 // start main loop...
663 main_loop(drvid, drvinst, &sa, sysclocksync);
664
665 // clean up.
666 clean_quit_prep();
667 driver_close(drvinst, drvid);
668 output_buffer_free();
669
670 return 0;
671}
672
673void cleanup_listen_socket (int terminate) {
674
675 if ( g_listen_socket != -1 ) {
676  close(g_listen_socket);
677
678  g_listen_socket = -1;
679
680  if ( *server == '/' )
681   unlink(server);
682 }
683
684 if ( terminate )
685  g_terminate = 1;
686}
687
688void clean_quit_prep (void) {
689 cleanup_listen_socket(0);
690
691 sources_free();
692 streams_free();
693 clients_free();
694 midi_cb_stop(); // stop console beep
695 midi_free();
696}
697
698void clean_quit (void) {
699 clean_quit_prep();
700// driver_close(drvinst, drvid);
701// output_buffer_free();
702 exit(0);
703}
704
705//ll
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